2538-84-3 Anthra(9,1,2-cde)benzo(rst)pentaphene-5,10-diol, 16,17-dimethoxy-, bis(hydrogen sulfate), disodium salt Disodium 16,17-dimethoxyanthra(9,1,2-cde)benzo(rst)pentaphene-5,10-diyl bis(sulphate) EINECS 219-809-7